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Thread: /O1 project

  1. #1
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    /O1 project

    Hi guys. So I got bored again and decided I wanted a project. I really like the open layout of the chassis on the xo-1. I also like the chassis brace deaign, the cush drive, I love the motor mount, and just the general size of the thing.

    Well, for 425 I picked up a nearly new xo-1, in mint condition with batteries.



    I didn't really take any other pictures of the car. Lol. I'm currently parting out the stuff that won't be needed.



    Seen above is where I sit now. Minus the shocks and shock tower. I saw an xo slash build on urc where the user combined a slash and an xo-1 front bulkhead to get rid of the anti dive that's engineered in and give it some kickup. I want to copy that.

    The plan is keep the 17mm adapters, run tekno/trx hybrid shafts, pro trac arms, gtr slash shocks, and probably truggy tires or buggy wheels/tires.

    The reason I decided to go ahead and post with little progress is that I have two questions.

    1) Do you guys think a 2200 motor will be plenty to power this? I'd love to keep the 1717, but I must think about weight.

    2) Speaking of weight, do you guys think I can set the gtr shocks up to adequately spring this chassis with a 1717 or 2200, dual batteries, and a 1/8 esc?

    I know the diffs are pretty high off the bottom of the chassis, which may cause some problems with drive shaft angles and such. I think the teknos may not like that, but something like x duties may work better. I'll also set this thing up with enough droop it may be okay.



    I knew this motor was large, but sheesh!

    I wasn't sure whether to post this here or the xo-1 forum, but it's going to be as much slash as it is xo-1, and the style vehicle it will be belongs in a short course forum. I get the feeling the xo-1 guys roll their eyes when an off road xo-1 is mentioned.
    Last edited by mwe-maxxowner; 08-17-2015 at 01:14 PM.
    460, straightpipes, buried throttle, nuff said :D

  2. #2
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    that 1717 motor is huge. 1) the 2200 is great but if your after speed runs get the 2650 2) idk and is this gonna be like a xo-1/slash 4x4? I'm tuned in
    Sl4sh, Arrma Talion, Stamp4de, Castle, MIP, RPM

  3. #3
    RC Turnbuckle Jr. Squeegie's Avatar
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    Sounds like a great project!

    Since it's already there, keep the 1580kV in there and try it out.

    GTR shocks with the VGR springs might do the trick.
    I run mine that way with MMX/2200kV and 80wt oil and valve kit.
    They were designed for heavy racing Slashes (with roll cage).
    Hopefully someone with more experience will chime in...

    Good luck and keep us posted!
    Creativity is intelligence having fun. -Einstein

  4. #4
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Inspiration threads:

    http://www.ultimaterc.com/forums/sho...d.php?t=166085

    https://traxxas.com/forums/showthrea...-Xo-1-Off-road

    Another thing is, the 1717 is worth so much, it's hard to pass up selling. I have a 1/8 sensored gforce 2250 that may do well.

    I really want a mamba monster x .

    I'm not much on speed runs. I like 50-60 reliable mph. That's not to say I won't toss 6s and high gearing in once in a while, but I'm imagining even then 70mph passes would be more than I can handle.

    If I were to go 2650, I'd go neewer.

    The shocks I will borrow already have the vdk installed. The trx kit for the revo.



    <br />
    <br />
    With some slight dremeling, however, you can get the slash towers on there and you can modify a slash and an xo front bulkhead to create a more off-road worthy front end. You then have to bend the front tab on the chassis to match the kick up on the bulkhead, but that's no big deal.<br />
    <br />
    Seen here<br />
    <br />
    [quote name=&quot;mercman64&quot; post=1568801]Ok here is pretty much what im going to be working with. I removed the a arm tabs from the xo1 bulkhead and knotched it so that i could use the portion of the slash bulkhead with the a arm tabs. its king of hard to explain but here r some pics to help show what i did. It moved the a arm tabs to the lower portion of the bulkhead and gave me kickup on the arms instead of the antidive angle the xo1 had. the diff itself stays in the exact same position on the bulkhead as stock xo1 so i shouldnt have any problems with the rest of the chassis parts mating as they should<br />
    <br />
    <br />
    <br />
    here is what i used from the slash 4x4 bulk head<br />
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    <br />
    <br />
    here is whats left of the stock xo1 bulkhead<br />
    <br />
    <br />
    <br />
    <br />
    <br />
    and here the two pieces are mated.<br />
    <br />
    <br />
    now to epoxy the guys together to strangthen it all up (although im fairly certain it would be strong enough with just the screws that moung the diff to it sandwiching it together[/QUOTE]<br />
    <br />

    This is the method he used to create the bulkhead.

    He used a slash hcg bulkhead. I have an old scrap lcg bulkhead. The portion that he cut off and used is exactly the same between the hcg and lcg, no?
    Last edited by mwe-maxxowner; 08-17-2015 at 01:52 PM.
    460, straightpipes, buried throttle, nuff said :D

  5. #5
    RC Turnbuckle Jr.
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    I'm agree with squeegie. I'd leave the 1717 in there. I built a 325 wheelbase out of the xo1 chassis with a 2200 motor geared 23/36 @ first and it got hot after a few passes. Same setup but only in the lcg chassis and motor temps wasn't that bad after 5-6 passes. Yes it's setup for speed. But I could run more on the lcg then the xo1 chassis.
    https://m.traxxas.com/forums/showthr...-Gt8-XO1-build
    You could do this lol and run slash style bodies

  6. #6
    RC Racer
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    you should do what Er33 did, cut the chassis to 325mm wheelbase, lots of work but when its done you know you get that feeling, that accomplishment you did it yourself

  7. #7
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Nah, I don't want to shorten it. Half the reason is the longer, larger platform. I do, however, love getting suggestions and ideas. Keep em coming!
    Body wise, I like this

    <br />
    <br />
    <br />
    <br />
    <br />
    ...

    It's an sc8 nitro body.
    460, straightpipes, buried throttle, nuff said :D

  8. #8
    RC Turnbuckle Jr. Squeegie's Avatar
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    How about a custom X0-1/E-Slayer Pro 4x4?
    Creativity is intelligence having fun. -Einstein

  9. #9
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    So a stretched onroad e slayer?
    460, straightpipes, buried throttle, nuff said :D

  10. #10
    RC Turnbuckle Jr. Jezza's Avatar
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    Looks like another great project coming along.....
    Live life to the fullest

  11. #11
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    Quote Originally Posted by mwe-maxxowner View Post
    So a stretched onroad e slayer?
    haha, I bet this is gonna be a 1/7 or 1/8 scale slash. ya need some 8 scale stuff in there
    Sl4sh, Arrma Talion, Stamp4de, Castle, MIP, RPM

  12. #12
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Quote Originally Posted by Jelle318 View Post
    haha, I bet this is gonna be a 1/7 or 1/8 scale slash. ya need some 8 scale stuff in there
    Yep. 1/7 scale slash is the idea! With pro trac arms to match the length.
    460, straightpipes, buried throttle, nuff said :D

  13. #13
    RC Turnbuckle Jr.
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    Very cool project. That looks awesome!!

  14. #14
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Now I hope my progress will be quick enough to keep you guys happy .

    My wife and I have our first child on the way, and I have a lot of work to do on the house before he/she arrives. This project is kinda like my last hurrah! Haha

    At least for a while. I think motor and esc are sold, but don't be mad at me. I got enough to nearly equal half what I paid for the whole car, which was my goal. I was searching for a roller @~$200, and my goal is to sell enough parts to get me near that. But, I got to drive it as an xo1 supercar first 😎.

    I really want a mamba monster x in here. I already own a hacked and waterproofed mamba monster extreme, but I'd like to try sensored too.
    460, straightpipes, buried throttle, nuff said :D

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    How did you go about water proofing the extreme?

  16. #16
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Conformal coating. Great stuff!
    460, straightpipes, buried throttle, nuff said :D

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    Quote Originally Posted by mwe-maxxowner View Post
    Conformal coating. Great stuff!
    I'm sorry to step away from your original intent of this thread but did you use acrylic or silicone based? Aerosol?

  18. #18
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    I don't mind. I used acrylic. I've done two et3ses, an old sidewinder, and the mm extreme.

    Easy to use and works well. I have also used corrosion x in the past with great success.

    Feel free to shoot me a pm.
    460, straightpipes, buried throttle, nuff said :D

  19. #19
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Is it safe to run the 1717 without the cap pack? I will run 6s, but not for speed passes.
    460, straightpipes, buried throttle, nuff said :D

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    Shouldn't need the cap pack but I'd leave it.

  21. #21
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    It's extremely difficult to get the case off enough to apply conformal coating with it on.

    But yes, I'd prefer it stay.

    Basically, if it would be sufficient without it, I'd use the mm extreme I already have, but that has no cap pack, and continue trying to sell this one. If cap pack is necessary for the large motor then I'd use this one unmolested.
    460, straightpipes, buried throttle, nuff said :D

  22. #22
    RC Racer
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    Do you know how long the stock XO-1 front springs are?

  23. #23
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    I don't, but I can measure them.
    460, straightpipes, buried throttle, nuff said :D

  24. #24
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    You could remove it and re-solder it back in.

  25. #25
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Made a little progress today. Actually a lot of progress.

    I got the xo-1 and slash hybrid. bulkhead created. It's very easy and took me maybe an hour. This is done to move the a arms lower on the chassis, and give the truck some kickup.



    First cut. ⬆



    Second cut.



    Next remove the arm holding slots and the material you don't need.



    Take your time. Test fit, adjust, trim, test. Don't rush through it, and you'll have a better part.



    Fit up like I like it.



    I used some epoxy putty here. Ive used jb weld in the past to make parts like this, which works great! But it can be messy. The screws sandwich this together, so I mainly just wanted to fill the void and make it more solid.








    All that's really left is swapping in the pro Trac kit and the teknos. And ordering tires and a body. I have nothing 17mm besides the stock tires. Apparently the plastic slash shock towers require slight dremeling to fit. I want to run Traxxas aluminum towers because they look sweet, but it'll get what's free right now.
    Last edited by mwe-maxxowner; 08-20-2015 at 01:36 PM.
    460, straightpipes, buried throttle, nuff said :D

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    I look forward to this
    Sl4sh, Arrma Talion, Stamp4de, Castle, MIP, RPM

  27. #27
    RC Racer
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    If you dont mind I would appreciate you meassuring the XO-1 springs. Fronts are more important than rears. NICE build you have going also...

  28. #28
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Will do for you tonight sir.
    460, straightpipes, buried throttle, nuff said :D

  29. #29
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    Quote Originally Posted by mwe-maxxowner View Post

    Well, for 425 I picked up a nearly new xo-1, in mint condition with batteries.
    WOW!! $425..did he press charges.. Nice find!
    X-Maxx - 8S Castle XLX/2028

  30. #30
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    No kidding! I had my mind made up to build from Dollarhobbyz, but I couldn't pass it up. That came with two 3s batteries, a one off outerwears shroud, tools, everything.
    460, straightpipes, buried throttle, nuff said :D

  31. #31
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    These are all four springs. If you need a more exact measurement, I can dig my calipers out for you. They all four appear the same.



    Bent the tip of the chassis to match the bulkhead.

    I don't have a vice, soooo....

    460, straightpipes, buried throttle, nuff said :D

  32. #32
    RC Racer
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    Thank you so much that is exactly what I needed....

  33. #33
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    You're quite welcome! I apologize for taking so long.

    Got the rear end mostly buttoned up, minus shocks and tower. Mostly because that means tearing down my donor truck to get them.

    Seen below are the tekno shaft with the xo-1 stub axle.



    Put together. Tekno with a boot!


    One side with protrac and tekno.



    Protrac vs stock.



    Both sides done.



    Modified rear bumper to retain hinge pins and have a bumper. I also ground the hinge pins shorter.







    Now I must get to my honey do list! Haha. I decided to go ahead and pry the front bulk apart and jb weld it good. I wanted to make sure it would be at least close to perfect first. It's close enough I wanted to bond it better, fill the cracks, sand it, and paint it to look better. Right now the jb weld is hardening. That'll take all of today.
    460, straightpipes, buried throttle, nuff said :D

  34. #34
    RC Turnbuckle Jr. Squeegie's Avatar
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    "Honey, Do" list gets done first.
    Glad you got your priorities straight!

    Keep us posted on your project!
    Creativity is intelligence having fun. -Einstein

  35. #35
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    I coach high school football after work, and the rest of my weekend is full. But, the great part is I have a four day work week, so I have Fridays to pitil on stuff like this. I guess my point is there won't be much else done till next weekend, but stay tuned and feel free to ask any questions or share any ideas!
    460, straightpipes, buried throttle, nuff said :D

  36. #36
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Something else I love, look at the clean wiring! That's telemetry and all.
    460, straightpipes, buried throttle, nuff said :D

  37. #37
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    coming along nicely
    Sl4sh, Arrma Talion, Stamp4de, Castle, MIP, RPM

  38. #38
    RC Turnbuckle Jr. Squeegie's Avatar
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    Very nice! I love a clean wired rig!
    Creativity is intelligence having fun. -Einstein

  39. #39
    RC Turnbuckle Jr. mwe-maxxowner's Avatar
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    Boo yow! Haha

    This was too easy. Really. Everything fits together with minimal fuss. The bumpers were easy to fit on. This front one was a test, I'll fit a full bumper on now that know it works and works well.

    I still need to rob a hinge pin tie bar from my slash. The stock xo bar now, obviously, won't work. I won't be able to bolt it on like stock, but the bumper should hold it on.

    Traxxas could so easily produce an xo-1 based short course truck.



    460, straightpipes, buried throttle, nuff said :D

  40. #40
    RC Turnbuckle Jr.
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    Sweet! Can we see a pic of it parked next to a "normal" Slash. I just want to get a visual of the scale of it.

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